Home / 130,385,113.44-179,932,888.56-71,647,793.76

Finding the Fourth Proportional to 130,385,113.44, 179,932,888.56 and 71,647,793.76

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Solution

The fourth proportional to 130,385,113.44, 179,932,888.56 and 71,647,793.76 is: 98,874,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,385,113.44 : 179,932,888.56 = 71,647,793.76 : x
  2. Step 2: Convert to fraction form
    130,385,113.44/179,932,888.56 = 71,647,793.76/x
  3. Step 3: Cross multiply
    130,385,113.44x = 179,932,888.56 × 71,647,793.76
  4. Step 4: Simplify right side
    130,385,113.44x = 12,891,794,490,187,944
  5. Step 5: Solve for x
    x = 12,891,794,490,187,944/130,385,113.44
  6. Step 6: Final answer
    x = 98,874,742.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.